After a fun-filled Memorial Day weekend, Hollywood stars got back to work on set. In NYC, Zoe Saldana, Billy Crudup, Mila Kunis, and Clive Owen all filmed Blood Ties, while Kristen Wiig and Ben Stiller shot scenes for The Secret Life of Walter Mitty. In the Northeast, Andy Samberg and Kevin James got silly on the set of Grownups 2, and in Canada, Jake Gyllenhaal and Mélanie Laurent worked on An Enemy. Click through to see more stars who got in front of the cameras this week!